Chemo
This page lists questions and answers that were posted by visitors named Chemo.
Questions
The following questions were asked by visitors named Chemo.
What is the different b/n change in internal energy(^E) and enthalpy change(^H) ? Under what circumstances are change of internal energy(^E) and enthalpy change(^H)?
13 years ago
Benzene burns with intense smoky flame,this is b/c ?
13 years ago
Which of the following is more concentrated? (A)0.5%kCl in 1Lwater (B)0.5ppm kCl in 1L water (C)0.5ppb kCl in 1L water (D)ALL are the same
13 years ago
Say true or false. (1)The end point of titration attend on equivalent point. (2)All exothermic process are spontaneous process.
13 years ago
Balance the follow equation using change in oxidation number method. (1) P4 + HNO3 = H3PO4 +NO2 + H2O (2) Na2Cr2O7 + FeCl2 + HCl = CrCl3 + NaCl + FeCl3 + H2O
13 years ago
What is chemical name for Na2Cr2O2?
13 years ago
Explain why electrolytic reduction rather than chemical reduction is often used to obtain active metals from their compounds.
13 years ago
Why are molten metal chlorides used as electrolytes rather than using other molten salts? Thanks for ur helps alot.
13 years ago
Why is a small amount of solute added in the electrolysis of water?
13 years ago
List active metals that can be extracted from their compounds by electrolysis.
13 years ago
Answers
The following answers were posted by visitors named Chemo.